Authors Year Title
House 1962 Observations on the ammonoid succesion of the North American Devonian.
Journal of Paleontology, 36: 247-284, fig.1-15, tab.1-3, pl.43-48; Tulsa, Okla.
House 1965 A study in the Tornoceratidae: the succession of Tornoceras and related genera in the North American Devonian.
Phil. Transactions of the Royal Society of London, Ser.B Biological Science, No.763 Vol.250: 79-130, fig.1-19, pl.1-11; London.
House, Gordon & Hlavin 1986 Late Devonian ammonoids from Ohio and adjacent states.
Journal of Paleontology, 60: 126-144, fig.1-7, tab.1-3; Tulsa, Okla.